package com.itheima.reggie.common;

/*
* 全局异常处理器
*
* */

import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;

import java.sql.SQLIntegrityConstraintViolationException;

@Slf4j
@ResponseBody
@ControllerAdvice(annotations = {RestController.class, Controller.class})
public class GlobalExceptionHandler {

    /*
    * 异常处理方法
    * */
    @ExceptionHandler(SQLIntegrityConstraintViolationException.class)
    public R<String> exceptionHandler(SQLIntegrityConstraintViolationException ex){

        log.info(ex.getMessage());
        //如果返回的错误信息中包含Duplicate entry字样则返回重复信息
        if (ex.getMessage().contains("Duplicate entry")){
            String[] things = ex.getMessage().split(" ");
            String thing = things[2] + "用户已经存在";
            return R.error(thing);

        }

        return R.error("未知错误，请联系管理员");

    }


    /*
     * 异常处理方法
     * */
    @ExceptionHandler(CustomException.class)
    public R<String> exceptionHandler(CustomException ex){

        log.info(ex.getMessage());

        return R.error(ex.getMessage());

    }


}
